Graw, L. H. (1994). Service purchasing: What every buyer should know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold.
Chicagoスタイル(17版)引用形式Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.
MLA(8版)引用形式Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.
警告: この引用は必ずしも正確ではありません.